Over the Siemens IOL_CALL block The parameters can be modified by an IO Link device / read acyclic. Because on our CPX CTEL 2 M12-5POL-LK not a IODD can be included, is a parame-terization of eg a Festo IO Link device (SDAT MO Link device (SDAT MHS M80-1L-SA-E-0.3-M8) only via this function module is possible